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| All Patents in class 474/121 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,745 | Feb. 17, 1852 | R.W. Parker | Banding pulleys | circular saws | |
| 871,867 | Nov. 26, 1907 | W. Galloway | Manure-Spreader | spreaders | |